Construction Technology of Cast-in-place Roof Beams of Frame with Large Span and the Behind Tension Curve Pre-stressed Force
英
美
- 大跨度后张曲线预应力现浇框架梁的施工工艺
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
